
<table style="text-align:center"><caption><strong>Table C1. Regressing online hostility on offline hostility in our three studies</strong></caption>
<tr><td colspan="5" style="border-bottom: 1px solid black"></td></tr><tr><td style="text-align:left"></td><td colspan="4"><em>Dependent variable:</em></td></tr>
<tr><td></td><td colspan="4" style="border-bottom: 1px solid black"></td></tr>
<tr><td style="text-align:left"></td><td colspan="4">Online hostility</td></tr>
<tr><td style="text-align:left"></td><td>USA</td><td>Denmark</td><td>USA</td><td>USA</td></tr>
<tr><td style="text-align:left"></td><td>(1)</td><td>(2)</td><td>(3)</td><td>(4)</td></tr>
<tr><td colspan="5" style="border-bottom: 1px solid black"></td></tr><tr><td style="text-align:left">Offline hostility</td><td>0.885<sup>***</sup> (0.012)</td><td>0.875<sup>***</sup> (0.016)</td><td>0.803<sup>***</sup> (0.019)</td><td>0.838<sup>***</sup> (0.020)</td></tr>
<tr><td style="text-align:left">Intercept</td><td>0.006<sup>***</sup> (0.002)</td><td>0.003 (0.003)</td><td>0.008 (0.005)</td><td>0.028<sup>***</sup> (0.005)</td></tr>
<tr><td colspan="5" style="border-bottom: 1px solid black"></td></tr><tr><td style="text-align:left">Observations</td><td>1,515</td><td>954</td><td>998</td><td>770</td></tr>
<tr><td style="text-align:left">R<sup>2</sup></td><td>0.789</td><td>0.755</td><td>0.641</td><td>0.704</td></tr>
<tr><td colspan="5" style="border-bottom: 1px solid black"></td></tr><tr><td style="text-align:left"><em>Note:</em></td><td colspan="4" style="text-align:right"><sup>*</sup>p<0.1; <sup>**</sup>p<0.05; <sup>***</sup>p<0.01</td></tr>
</table>
